package com.itheima.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理器
 */
//@RestControllerAdvice(annotations = {RestController.class, Controller.class})//annotations选择要拦截处理的类


    @RestControllerAdvice(annotations = {RestController.class})
@ResponseBody
@Slf4j
public class GlobalExceptionHandler {
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)//指定异常的处理类型
    public R<String> exceptionHandeler(SQLIntegrityConstraintViolationException ex) {
        log.info(ex.getMessage());
        if (ex.getMessage().contains("Duplicate entry")) {
            String[] s = ex.getMessage().split(" ");
            return R.error(s[2] + "已存在");
        }
        return R.error("未知错误");
    }

    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandeler(CustomException ex) {
        log.info(ex.getMessage());
        return R.error(ex.getMessage());
    }

}
